Inspection Procedure
WARNING: This page is about a different car, the 2007 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CAN BUS LINE FOR DISCONNECTION (SKID CONTROL ECU BRANCH WIRE)
- Disconnect the S8 skid control ECU connector.
- Measure the resistance of the wire harness side connector.
Standard resistance
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Condition Specified Condition S8-19 (CANH) - S8-18 (CANL) Power switch OFF 54 to 69 Ω
NG : REPLACE SKID CONTROL ECU BRANCH WIRE AND CONNECTOR (CANH, CANL)
OK : GO TO NEXT STEP
- CHECK WIRE HARNESS (SKID CONTROL ECU - BATTERY AND BODY GROUND)
- Disconnect the S7, S9 and S10 skid control ECU connectors.
- Measure the resistance of the wire harness side connectors.
Standard resistance
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Specified Condition S7-1 (GND) - Body ground Below 1 Ω S8-1 (GND3) - Body ground Below 1 Ω S8-2 (GND2) - Body ground Below 1 Ω S9-1 (GND5) - Body ground Below 1 Ω S9-2 (GND4) - Body ground Below 1 Ω S10-4 (GND6) - Body ground Below 1 Ω - Measure the voltage of the wire harness side connectors.
Standard voltage
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Condition Specified Condition S8-7 (IG1) - Body ground Power switch ON (IG) 10 to 14 V S10-5 (IG2) - Body ground Power switch ON (IG) 10 to 14 V
NG : REPAIR OR REPLACE HARNESS AND CONNECTOR
OK : REPLACE SKID CONTROL ECU